Malicious PDF — malware analysis report

Heuristics 4

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://ttraff.link/aws?keyword=number+line+pdf+negative In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366048/normal_5f8708a28d04c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387922/normal_5f8d88fdbbf62.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f899ec6a9f80.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/5765613.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/7775416.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385202/normal_5f8c4e892a6b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370541/normal_5f8b507be3b78.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381289/normal_5f8afaad0ff6e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376357/normal_5f8cc1a54619d.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006119.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006119.bin)
  • https://uploads.strikinglycdn.com/files/f9d7566f-c0ee-4751-be74-5c3c61c3d5ec/63023276118.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eff5247e-7a86-4fdd-a18b-b08eb840956b/9683694664.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72676d37-0819-42e3-91e5-78362bc015c8/acidos_y_bases_fuertes_y_debiles.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dce1abdc-e88a-4517-b1d9-edc7205dec01/59746122458.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/zudifafitabuxoru.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/10276423338.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6998/0320/files/how_to_change_your_youtube_picture_on_ipad.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5898/6645/files/the_deinstitutionalization_of_american_marriage.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/1239/7507/files/refuwewusolojizuvipav.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5978/1023/files/74710033768.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00006119.bin)

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